— Men's Health
Testosterone’s Effects on Erectile Dysfunction
Medically reviewed by Dr. Brandon Mines, MD
Here is the myth, corrected: low testosterone does not directly cause erectile dysfunction — but it can worsen an existing problem, and it does reduce sex drive. Understanding that distinction is the key to effective treatment.
Most erectile dysfunction traces to other causes entirely, including high blood pressure, heart disease, diabetes, depression, anxiety, insomnia, alcohol use, and certain medications.
Where testosterone fits in
Testosterone strongly influences libido. Low testosterone tends to reduce sex drive, which can indirectly affect sexual performance even when the erectile mechanism itself is intact. Levels naturally decline with age, but they can also fall due to testicular injury, cancer radiation, hormonal gland dysfunction, medications, and genetic factors.
When therapy may help
If reduced sex drive is the main issue, testosterone therapy may help — and higher testosterone can also support muscle gain, energy, fertility, and libido.
- Best suited when low libido, not blood flow, is the driver
- May improve energy, muscle, and sexual desire
- Carries real risks — physician supervision is essential
Talk to a physician
Testosterone therapy carries risks and is not right for everyone. Our Acworth and Marietta men’s health team can identify what is actually driving your symptoms before recommending treatment.